886065
Descripción
Test por sophie.holland96, actualizado hace más de 1 año
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Creado por sophie.holland96
hace casi 11 años
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Pregunta 1
Pregunta
What are the reaction conditions for the bromination (halogenation) of benzene?
Respuesta
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Br2
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Br2 / FeBr3
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Br2 / HCl
Pregunta 2
Pregunta
What are the reaction conditions for the nitration of benzene?
Respuesta
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Conc HNO3, Conc HCL, 50 degrees
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Conc HNO2, Conc HCl, 40 degrees
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HNO3, HCL 10 degrees
Pregunta 3
Pregunta
What are the conditions for making phenylamine from nitrobenzene?
Respuesta
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Sn catalyst/conc HCl
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Sn catalyst/conc HCl and reflux
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Fe catalyst and reflux
Pregunta 4
Pregunta
Select the correct conditions below for diazotisation (creating a benzenediazonium ion from phenylamine)
Respuesta
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NaNO2
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HCl (aq)
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below 10 degrees
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below 20 degrees
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H2SO4
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Chlorine gas
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HNO3
Pregunta 5
Pregunta
The conditions for creating an azo dye are...
Phenol and acidic
Respuesta
- True
- False
Pregunta 6
Pregunta
How can you make sodium phenoxide from phenol?
Respuesta
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Add NaOH
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Add Na
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Add NaNO3
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Add chlorine
Pregunta 7
Pregunta
How do you make an aldehyde from a primary alcohol?
Respuesta
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Oxidise with acidified potassium dichromate. Example of an acid could be sulphuric acid. Reflux
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Oxidise with Tollen's reagent. And sulphuric acid. Distil.
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Oxidise with acidified potassium dichromate. Example of an acid could be sulphuric acid. Distil immediately.
Pregunta 8
Pregunta
How do you reduce an aldehyde/ketone to form an alcohol?
Respuesta
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Add NaBH4
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Add NaBH4 , ensure the mixture is aqueous.
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Add HCL and alcohol
Pregunta 9
Pregunta
How do you reduce an aldehyde/ketone to form an alcohol?
Respuesta
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Add NaBH4
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Add NaBH4 , ensure the mixture is aqueous.
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Add HCL and alcohol
Pregunta 10
Pregunta
How would you oxidise a secondary alcohol to a ketone?
Respuesta
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Reflux with acidified potassium dichromate (suitable acid would be sulfuric).
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Reflux with hydrochloric acid
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Add NaBH4 (aq) and warm
Pregunta 11
Pregunta
How would you test for an aldehyde using Tollen's reagent (ammoniacal silver nitrate)?
Respuesta
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Make Tollen's reagent fresh using silver nitrate, add sodium hydroxide to form a precipitate and then just dissolve the precipitate using ammonia. Add your aldehyde to the solution of Tollen's, warm the mixture, and observe the formation of a silver mirror (precipitate).
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Make Tollen's reagent fresh using silver nitrate, add sodium hydroxide to form a precipitate and then just dissolve the precipitate using ammonia. Add your aldehyde to the solution of Tollen's, and observe the formation of a silver mirror (precipitate).
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Add your aldehyde to the solution of bottled Tollen's reagent, and observe the formation of a silver mirror (precipitate).
Pregunta 12
Pregunta
How would you make an ester?
Respuesta
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Add alcohol and carboxylic acid. In the presence of a sulfuric acid catalyst. Reflux
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Add alcohol and carboxylic acid. In the presence of a sulfuric acid catalyst.
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Add alcohol and carboxylic acid. In the presence of a sulfuric acid catalyst. Distil
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Add alcohol and acid. In the presence of a sulfuric acid catalyst.
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Add alcohol and carboxylic acid. In the presence of a nitric acid catalyst.
Pregunta 13
Pregunta
How would you go about conducting acid hydrolysis of an ester?
Respuesta
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Ensure an excess of water, Dilute HCl catalyst, Reflux
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Ensure an excess of water, Dilute NaOH Reflux
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Dilute HCl, Reflux
Pregunta 14
Pregunta
How would you go about conducting an alkaline hydrolysis on an ester?
Respuesta
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Aqueous NaOH, Reflux
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HCl
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NaOH Distil
Pregunta 15
Pregunta
How would you convert a halogenoalkane to an alcohol?
Respuesta
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Add NaOH/water,
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Add NaOH, Reflux
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Add NaOH/water, Reflux
Pregunta 16
Pregunta
How would you make an aliphatic amine from a halogenoalkane?
Respuesta
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Add excess ammonia, in an ethanol solvent, and reflux
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Add excess ammonia, in an ethanol solvent
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Add ammonia, in an ethanol solvent, and reflux
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